Toy helicopter



FIG. 1 is a left side elevation view of the toy helicopter showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top, rear and right side perspective view thereof; and,

FIG. 4 is a top, front and left side perspective view thereof.

The broken lines are included for the purpose of illustrating portions of the toy helicopter that form no part of the claimed design. 

The ornamental design for a toy helicopter, as shown and described. 